From: Larry Finger <Larry.Finger@lwfinger.net>
To: David Rientjes <rientjes@google.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>,
linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Question on compiler warning
Date: Thu, 02 Jan 2014 16:14:33 -0600 [thread overview]
Message-ID: <52C5E4C9.7030500@lwfinger.net> (raw)
In-Reply-To: <alpine.DEB.2.02.1401021354400.21537@chino.kir.corp.google.com>
On 01/02/2014 03:56 PM, David Rientjes wrote:
> On Mon, 30 Dec 2013, Larry Finger wrote:
>
>> + /scratch/kisskb/src/drivers/net/wireless/b43/phy_n.c: warning: 'val_addr'
>> may be used uninitialized in this function [-Wuninitialized]: => 178:21
>>
>> This warning does not show up on any of my compilers, and it should not as the
>> initialization and usage of that variable both take place in conditional
>> branches that are testing exactly the same pointer.
>>
>
> You may not be compiling this file depending on your .config or you may
> have a different setting for CONFIG_CC_OPTIMIZE_FOR_SIZE.
I am definitely building this driver in my configuration. Variable
CONFIG_CC_OPTIMIZE_FOR_SIZE was not set, but changing it to "y" did not change
the result.
Thanks,
Larry
next prev parent reply other threads:[~2014-01-02 22:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-31 1:24 Question on compiler warning Larry Finger
2013-12-31 9:36 ` Geert Uytterhoeven
2013-12-31 10:56 ` Mark Cave-Ayland
2013-12-31 19:28 ` Larry Finger
2014-01-02 21:56 ` David Rientjes
2014-01-02 22:14 ` Larry Finger [this message]
2014-01-02 23:40 ` David Rientjes
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